Be careful how you do one man a pleasure which must needs occasion equal displeasure in another. For he who is thus slighted will not forget, but will think the offence to himself the greater in that another profits by it; while he who receives the pleasure will either not remember it, or will consider the favour done him less than it really was.
Francesco GuicciardiniConspiracies, since they cannot be engaged in without the fellowship of others, are for that reason most perilous; for as most men are either fools or knaves, we run excessive risk in making such folk our companions.
Francesco GuicciardiniHow much luckier than all the rest of mankind are the astrologers who, if they tell one truth among a hundred lies, obtain so much credit that even their lies are believed.
Francesco GuicciardiniBe careful how you do one man a pleasure which must needs occasion equal displeasure in another. For he who is thus slighted will not forget, but will think the offence to himself the greater in that another profits by it; while he who receives the pleasure will either not remember it, or will consider the favour done him less than it really was.
Francesco Guicciardini